डेवलपर उपकरण

Free browser-native utilities for formatting, validating, encoding and debugging common developer data. Most tools run locally in your browser, so pasted content stays on your device.

zip extractor

Available

Open ZIP archives locally, inspect contents, search files and download selected entries without uploading.

7z से ZIP परिवर्तक

Available

Convert non-encrypted 7z archives into standard ZIP files on Convertr servers.

Subtitle Editor

Available

Edit SRT and WebVTT cues, shift timings, validate order, and export captions locally.

YouTube Tags Extractor

Available

Extract public YouTube tags, keywords, hashtags, and basic video metadata when available.

youtube transcript extractor

Available

Extract available YouTube captions and transcripts in plain text, SRT, or VTT. No video download.

YouTube Comment Picker

Available

Fetch public YouTube comments, filter giveaway entries, and pick random winners with a visible seed.

JSON Formatter & Validator

Available

Format, validate, minify and sort JSON locally in your browser.

JSON Schema Validator

Available

Validate JSON data against draft 7, 2019-09 and 2020-12 schemas locally in your browser.

JSON to TypeScript Generator

Available

Infer TypeScript interfaces or type aliases from pasted JSON locally in your browser.

JSON to XML Converter

Available

Convert pasted JSON into XML locally with root and array item controls.

XML to JSON Converter

Available

Convert XML into JSON locally with clear attribute, text and array conventions.

JSON to CSV Converter

Available

Flatten JSON arrays or objects into spreadsheet-ready CSV locally in your browser.

CSV Formatter & Validator

Available

Validate CSV rows, preview columns and format delimited data locally in your browser.

CSV to Excel Converter

Available

Convert CSV and TSV files into XLSX workbooks with delimiter controls and preview.

ICS to CSV Converter

Available

Convert calendar .ics and .ical exports into normalized CSV event rows.

JSON CSV कन्वर्टर

Available

Flatten JSON into CSV or convert CSV rows into JSON locally in your browser.

XML Formatter & Validator

Available

Format, validate and minify XML locally in your browser.

SQL Formatter & Beautifier

Available

Format SQL queries for MySQL, PostgreSQL, SQL Server, SQLite, BigQuery, Snowflake and Redshift locally in your browser.

Hash Generator

Available

Generate SHA-256, SHA-1 and MD5 checksums from text or local files.

Barcode Generator

Available

Create Code 128, EAN-13 and UPC-A barcodes as PNG or SVG files.

Barcode Scanner

Available

Read barcodes from images, screenshots, labels, receipts, or your camera without uploading.

QR Code Scanner

Available

Read QR codes from images, screenshots, paste, drag and drop, or your camera without uploading.

UUID Generator

Available

Create UUID v4 values and copy them in common developer formats.

Password Generator

Available

Generate secure random passwords and memorable passphrases locally in your browser.

Unix Timestamp Converter

Available

Convert epoch timestamps to readable UTC and local dates.

Cron Expression Generator

Available

Build, validate and explain 5-field Unix cron schedules with next run previews.

यूनिट कन्वर्टर

Available

Convert length, weight, temperature, area, volume, speed, data and time units locally in your browser.

Regex Tester

Available

Test JavaScript regular expressions against sample text with live matches.

Text Case Converter

Available

Convert text between uppercase, lowercase, title case, snake_case, kebab-case, camelCase and more.

URL Encoder & Decoder

Available

Encode and decode URLs, query strings and URL components.

UTM Campaign URL Builder

Available

Build clean GA4, ad, email, social, partner and QR tracking URLs locally in your browser.

URL Slug Generator

Available

Turn titles, product names and bulk text rows into clean SEO-friendly URL slugs.

Image Color Picker

Available

Pick exact HEX, RGB and HSL colors from uploaded or pasted images locally.

HTML Entity Encoder & Decoder

Available

Encode HTML-sensitive characters and decode named, decimal, and hexadecimal HTML entities locally in your browser.

Image to Base64 Converter

Available

Create data URIs, raw Base64 strings, HTML img tags and CSS snippets from local images.

Robots.txt Generator & Validator

Available

Build robots.txt rules, validate directives, and export a clean file for search crawlers.

DNS Lookup

Available

Check public A, AAAA, CNAME, MX, TXT, NS, CAA, SOA, and SRV DNS records for a domain.

DMARC and SPF Checker

Available

Check whether a domain has sane DMARC and SPF TXT records before sending email.

HTTP Headers Checker

Available

Inspect status codes, redirects, response headers, cache headers, security headers, content type, and compression.

Markdown to HTML converter

Available

Convert Markdown syntax into HTML locally in your browser with a live preview.

HTML to Markdown Converter

Available

Convert pasted HTML snippets into clean Markdown locally in your browser.

Markdown to PDF Converter

Available

Render README files, notes, changelogs, and Markdown snippets as selectable-text PDFs.

HTML Minifier

Available

Compress pasted HTML snippets or local .html files with conservative browser-side options.

HTML to PDF Converter

Available

Render pasted HTML or uploaded .html files into downloadable PDFs with local headless Chromium.

CSS Minifier

Available

Minify pasted CSS or local .css files with conservative browser-side compression.

JavaScript Minifier

Available

Compress pasted JavaScript or local .js files with Terser running locally in your browser.

JWT Decoder

Available

Decode JSON Web Token headers and payloads locally in your browser, including exp, nbf and iat timing claims.

Text Diff Checker

Available

Compare two text blocks and inspect line-level differences.

Favicon Generator

Available

Create favicon.ico, PNG app icons and manifest snippets locally from an image or text initials.

WebP to ICO Converter

Available

Create a transparent multi-size favicon.ico file from a WebP logo locally in your browser.

SVG to PNG Converter

Available

Rasterize SVG markup or files into transparent or background PNG output locally.

QR Code Generator

Available

Create PNG and SVG QR codes for URLs, text, Wi-Fi and contact details.

Browser-first developer utilities

Convertr developer tools focus on quick, repeatable tasks: clean up structured data, generate IDs and checksums, debug regular expressions, convert timestamps, compare text and prepare strings for URLs. Tools are linked here from one stable hub so they are easier to find and easier for search engines to understand.

Planned additions

  • Color converter